Timken M86610 Differential Pinion Race

Timken M86610 Differential Pinion Race Overview

The Timken M86610 differential pinion race is engineered for reliable driveline performance in a wide range of vehicles including Audi, BMW, Ford, and Toyota models. Designed to meet precise specifications, this bearing race supports smooth differential operation and durability under demanding conditions.

• Width options: 0.656 inches (16.67 mm)
• Outside diameter: 2.531 inches (64.29 mm)
• Bearing cup radius: 0.059 inches (1.50 mm)
• Compatible with multiple makes and models including Jeep Wrangler, Chevrolet Silverado, and Mercedes-Benz 300E
• Part number: M86610 for accurate identification and fitment

Technical Specifications and Design Details

The Timken M86610 differential pinion race features a precise width of 0.656 inches (16.67 mm) and an outside diameter of 2.531 inches (64.29 mm), ensuring a proper fit within the differential assembly. The bearing cup radius of 0.059 inches (1.50 mm) is designed to provide optimal seating for the pinion bearing cup, reducing wear and maintaining alignment. These dimensions are critical for maintaining the integrity of the driveline and ensuring consistent performance across various vehicle applications.

Compatible Vehicles and Applications

This differential pinion race is compatible with a broad range of vehicles, including but not limited to Audi, BMW, Buick, Cadillac, Chevrolet, Chrysler, Dodge, Ford, GMC, Hummer, Isuzu, Jeep, Lexus, Maserati, Mazda, Mercedes-Benz, Mercury, Mitsubishi, Oldsmobile, Plymouth, Pontiac, Porsche, Saturn, Toyota, Volkswagen, and Volvo. Specific models such as the BMW 318i, Mercedes-Benz 300E, Ford F-150, Jeep Wrangler, and Toyota 4Runner are among those supported by this part number M86610.

Common Issues Addressed by the Timken M86610

• Eliminates excessive play or looseness in the differential pinion bearing
• Prevents premature bearing wear caused by improper fit
• Reduces noise and vibration from worn or damaged pinion races
• Restores proper differential gear alignment and smooth operation
• Helps maintain driveline durability under heavy load conditions

Installation Notes and Tips

Proper installation of the Timken M86610 differential pinion race requires careful cleaning of the differential housing and inspection of mating surfaces. Use appropriate tools to press the race evenly into place without damaging the bearing cup radius. Verify correct seating depth and alignment before reassembling the differential. It is recommended to replace the pinion bearing and seals simultaneously to ensure optimal performance.

Quality Assurance and Warranty

Timken manufactures the M86610 differential pinion race to meet stringent quality standards, ensuring durability and consistent performance. This part is backed by Timken's limited warranty against defects in materials and workmanship, providing confidence in its reliability for professional automotive repair and maintenance.